Currently CustomNode returns a single node via its create() function. This means that virtually all CustomNode objects will create a Group to hold its content. For Custom nodes defined with a small number of shapes, the memory overhead of this Group is noticeable.
            
- duplicates
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                    JDK-8099383 CustomNode.create should return Node[] instead of Node -           
- Closed
 
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- relates to
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                    JDK-8098909 Parent should have the field 'content'. -           
- Closed
 
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